LG UltraGear 34GN73A - User Manual

Questions and Answers

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jhayesAug 15, 2025
How to fix LG UltraGear 34GN73A when nothing is displayed on the screen?
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  Melissa PrestonAug 15, 2025
  If nothing is displayed on your LG Monitor screen, first ensure the power cord is correctly plugged into the power outlet and that the power cable is properly connected, then press the power button. Also, make sure that the connected input is enabled via Menu > Input. If the monitor is in sleep mode, move the mouse or press any key. Verify that your computer is turned on. If the issue persists, check the signal cable between the PC and the monitor, reconnecting it if necessary. Finally, install the display driver from the LG website and ensure your graphics card supports Plug and Play.
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Sergio HendersonAug 18, 2025
What to do if LG Monitor screen display is unstable and shaky?
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  Austin CooperAug 18, 2025
  If you are experiencing an unstable and shaky screen display or shadow trails on your LG Monitor, and the selected resolution is HDMI 1080i 60/50 Hz (interlaced), the screen may be flickering. Try changing the resolution to 1080p or the recommended resolution.
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Lynn HerreraAug 21, 2025
Why is there no sound from the headphone port on my LG Monitor?
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  connorsmithAug 21, 2025
  If you can't hear any sound from the headphone port on your LG Monitor, first ensure that the headphone port connections are properly made. Then, try increasing the volume using the joystick. Finally, set the audio output of your PC to the monitor by going to Control Panel > Hardware and Sound > Sound and setting the Monitor as the default device on Microsoft Windows.
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gabbottAug 26, 2025
Why does the screen retain an image on my LG Monitor?
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  paulcostaAug 26, 2025
  Displaying a still image for a prolonged time may cause damage to the screen of your LG Monitor, resulting in the retention of the image. To extend the lifetime of the monitor, use a screensaver.
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armstrongerikaAug 28, 2025
How to fix an LG UltraGear 34GN73A when nothing is displayed on the screen?
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  Monique ParkerAug 28, 2025
  If nothing is displayed on your LG Monitor, first ensure the power cord is correctly plugged into the power outlet. Next, verify the power cable connection and press the power button. Also, check that the connected input is enabled in the monitor's settings (Settings > Input). If the monitor is in sleep mode, try moving the mouse or pressing any key on the keyboard. Confirm that your computer is turned on. Check the monitor cable and reconnect it. Install the display driver from the LG website (http://www.lg.com), and ensure your graphics card supports Plug and Play.
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Sarah HillAug 31, 2025
How to fix no sound from the headphone port on LG UltraGear 34GN73A Monitor?
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  priceaprilSep 1, 2025
  If you are getting no sound from the headphone port on your LG Monitor, ensure that the headphone port connections are properly made. Then, try increasing the volume using the joystick. Finally, set the audio output of your PC to the monitor you are using. On Microsoft Windows, go to Control Panel > Hardware and Sound > Sound and set the Monitor as the default device.
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sarahwilsonSep 4, 2025
What to do if the screen display is unstable and shaky on my LG UltraGear 34GN73A?
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  Mr. Robert Lee DDSSep 4, 2025
  If you are experiencing unstable and shaky screen display or shadow trails on your LG Monitor, and the selected resolution is HDMI 1080i 60/50 Hz (interlaced), the screen may be flickering. Change the resolution to 1080p or the recommended resolution to resolve this issue.
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Christopher FloresSep 7, 2025
Why is the display color abnormal on my LG UltraGear 34GN73A Monitor?
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  Leonard MurraySep 7, 2025
  If the display color on your LG Monitor appears abnormal, set the color to 24 bit (true color) or higher by navigating to Control Panel > Display > Menu > Color Quality in Windows. Also, check if the signal cable is properly connected; try reconnecting it or reinserting the PC's graphics card. Note that pixilated spots (red, green, blue, white, or black) may appear on the screen during normal monitor use and do not indicate an error.
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jamessmithSep 12, 2025
How to enable disabled features on LG Monitor?
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  ohallSep 12, 2025
  If some features are disabled on your LG Monitor, it might be because the OSD is locked. To unlock it, go to Menu > General and set OSD Lock to Off.

LG UltraGear 34GN73A Specifications

General

Screen Size	34 inches
Resolution	3440 x 1440
Panel Type	IPS
Response Time	1 ms (GtG)
HDR	HDR10
Aspect Ratio	21:9
Contrast Ratio	1000:1
Curvature	Flat
Viewing Angle	178° (H) / 178° (V)
VESA Mount	100 x 100 mm
Brightness	400 cd/m²
Connectivity	2 x HDMI
Color Gamut	sRGB 99%
Adaptive Sync	NVIDIA G-SYNC Compatible